<?php
$str = <<<STR
THEDLSDARNVNS
CCVBXXMTGFRWS
CVIYTVBVSDOPTR
VBNMAITYSURFD
MOTYYERSAWERTY
MOITRUHDYRTBDI
VNOWUNMBORN
STR;
$fib = [1,2,3,5,8,13];
foreach (explode(PHP_EOL, $str) as $line) {
// hack to make the array 1-based
$arr = str_split($line);
array_unshift($arr, 'foo');
unset($arr[0]);
$arr = array_filter($arr);
foreach ($arr as $pos => $c) {
// start at
if ($pos > 9) {
$index = $pos % 9;
} else {
$index = $pos;
}
// if in $fib array
if (in_array($index, $fib)) {
echo $c;
}
}
}
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- THELANVN CCVXTFRW CVITVDOPRVBNAYURF MOTYSWERYMOIRDRTBIVNOUBRN
- Output for 4.4.3 - 4.4.9, 5.1.0 - 5.1.1, 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/fL0YN on line 13
Process exited with code 255. - Output for 4.4.2, 5.1.2
- Parse error: syntax error, unexpected '[' in /in/fL0YN on line 14
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected '[' in /in/fL0YN on line 13
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/fL0YN on line 13
Process exited with code 255.
preferences:
274.85 ms | 401 KiB | 363 Q